Research Interests
- genesis of magmatic Fe-Ni-Cu-(PGE) sulfide deposits
- physical volcanology, geochemistry, and petrogenesis of komatiites
- geochemical composition and evolution of the Earth's mantle
- geochemistry of felsic volcanic rocks associated with hydrothermal massive Cu-Zn-Pb sulphide deposits
- genesis of mesothermal lode Au deposits
- mass-volume-mineralogical changes during hydrothermal alteration
- geology and metallogenesis of Archean and Proterozoic volcanic belts
Available Research Projects
All open positions have been filled, but MSc or PhD projects can be arranged for students with outstanding academic credentials, strong backgrounds in geochemistry and igneous petrology, and/or experience in the geology of magmatic Ni-Cu-PGE deposits.
Current Graduate Students
Ph.D. Students
Caroline Mealin
B.Sc. (Hons) M.Sc. Waterloo, Geology, Geochemistry, and Metallogenesis of the Booth River Complex, Northwest Territories [Lesher / co-supervised with Jean Bedard, GSC] - supported by the GSC and NSERC (2009-2013 NSERC PGS-D Scholarship awardee)
Joshua Mukwakwami
B.Sc., M.Phil. Zimbabwe, Deformation and Mobilization of Ni-Cu-PGE Mineralization in the Garson Mine, Sudbury, Ontario [Lesher / co-supervised with B. Lafrance]
Tonnelier, Nicolas, B.Sc. Grenoble, M.Sc. Orléans/UQAM, Geology and Genesis of the Jinchuan Ni-Cu-(PGE) Deposit, China [co-supervised with Nick Arndt] - supported by BHP-Billiton and NSERC
M.Sc. Students
Gammell, Rachel, BSc Hons Saskatchewan, Mineralogy and geochemistry of As-Rich Ni-Cu-(PGE) mineralization at the Garson Mine, Sudbury, Ontario (sponsored by Vale Inco and NSERC)
McNamara, Galen
B.Sc. (Laurentian); Pb isotopic variations in the Sudbury Igneous Complex [co-supervised with B. Kamber]
Nelles, Edward
B.Sc. (British Columbia); Genesis of transitional Cu-PGE-rich footwall mineralization in the Levack deposit, Sudbury [Lesher] (2009 SEG Fellowship awardee)
Former Graduate Students
Ph.D. students
Houlé, Michel, B.Sc. (Hons.) M.Sc. Laval, Ph.D. 2008 Ottawa, Physical Volcanology and Metallogenesis of Komatiites in the Abitibi Greenstone Belt, Ontario-Québec [co-supervised with Tony Fowler]
Sha, Peng, B.Sc. 1987 Nanjing, M.Sc. 1989 Nanjing, Ph.D. 1993 Alabama; 1991-1992 UA Graduate Council Fellow, 1993 UA College A&S Outstanding Ph.D. Dissertation Award; Geochemistry and genesis of sediment-hosted gold mineralization at the Gold Quarry Mine, Carlin Trend, Nevada
Williams, David A., B.Sc. Astrophysics & Geology 1991 Indiana, M.Sc. 1993 Arizona State, Ph.D. 1998 Alabama;1995-1998 UA Graduate Council Fellow, 1998 UA Outstanding Ph.D. Student Award; Analytical and numerical models of thermal erosion by komatiite lava channels
M.Sc. students
Bazilevskaya, Ekaterina, B.Sc. Moscow State U, Petrogenesis of Disseminated Ni-Cu-PGE Mineralization in the Katinniq (Québec) Deposit - supported by a SEG Foundation Fellowship and NSERC
Taranovic, Valentina, B.Sc. Wayne State, Physical Volcanology and Metallogenesis of Komatiite-associated Ni-Cu-(PGE) Mineralization in the C-Zone, Bannockburn Township, Ontario - supported by a SEG Foundation Fellowship, GSC TGI3 Program, Mustang Minerals, and NSERC
Stout, Rianne, B.Sc. Utrecht, Geology, mineralogy, and geochemistry of the 4475 and 4810 low-sulfide high-precious metal zones of the McCreedy East 153 deposit, Sudbury, Ontario (sponsored by Vale Inco and NSERC)
Huminicki, Michelle, B.Sc. Hons. 2000 Manitoba, M.Sc. 2003 Laurentian, Ph.D. 2008 Memorial; 1999-2000 OGSST-Tembec Scholar, 2000-2002 NSERC PGS-A Scholar, 2002-2005 NSERC PGS-B Scholar; Geology of the Kelly Lake Ni-Cu-PGE deposit, Sudbury, Ontario
Dessureau, Gilles, B.Sc. Hons. 2000 St. Mary’s, M.Sc. 2003 Laurentian; Geochemistry and petrogenesis of felsic and mafic norite, Sudbury Igneous Complex, Ontario
Chisholm, Kevin M., B.Sc. Hons. 1998 Laurentian, M.Sc. 2002 Laurentian; Nature and origin of ore-localizing embayments at the Katinniq Ni-Cu-(PGE) sulphide deposit, Cape Smith Belt, New Québec (co-supervised with J.S. Fedorowich)
Gregory, Steven, B.Sc. (Hons.) Carleton, M.Sc. 2006 Laurentian, Geology, mineralogy and geochemistry of transitional contact/footwall mineralization in the McGreedy East Ni-Cu-PGE deposit, Sudbury Igneous Complex
Layton-Matthews, Daniel, B.Sc. Hons. 1998 Manitoba, M.Sc. 2001 Laurentian, Ph.D. in progress Toronto; 1999-2000 OGSST Scholar, 2001 Hugh E. McKinstry Student Research Grant, 2001-2003 Northern Scientific Training Program Research Grant, 2002-2004 NSERC Collaborative Research and Development Grant, 2001-2003 NSERC PGS-B Scholar, 2002 MDD-GAC Julian Boldy Award, 2002 & 2003 SEG Canada Foundation Award, 2002-2003 Mineralogical Association of Canada Foundation Scholar, 2003-2004 OGS Scholar; Metamorphic petrology of ultramafic intrusions in the Thompson Nickel Belt, Manitoba
Stilson, Charles M., B.Sc. Geological Engineering & Geology 1997 Alabama, M.Sc. Alabama 2000; 1997-1998 UA Graduate Council Fellow; Physical volcanology and petrogenesis of the Boundary Complex, Cape Smith Belt, New Québec
Baird, Andrew M., B.Sc. 1995 Georgia, M.Sc. 1999 Alabama; Geochemistry of chromites in intrusive and extrusive komatiites in the Abitibi Greenstone Belt, Ontario
Larson, Michelle S., B.Sc. Hons. 1994 McMaster, M.Sc. 1996 Alabama; 1996 UA Outstanding M.Sc. Student Award; Petrogenesis of komatiitic dunites, komatiitic peridotites, and komatiites in the Shaw Dome, Ontario
Davis, Paul C., B.Sc. 1990 Western Ontario, M.Sc. 1997 Alabama; Volcanic stratigraphy in the Abitibi Greenstone Belt, Dundonald and Munro Townships, Ontario
Gillies, Sally L., B.Sc. Hons. 1989 Western Australia, M.Sc. 1994 Alabama; Physical volcanology and genesis of the Katinniq peridotite complex and associated Fe-Ni-Cu sulfide mineralization, Cape Smith Belt, New Québec
Thacker, Joseph L., B.Sc. 1989 Alabama, M.Sc. 1995 Alabama; Geology of the 5-8 Peridotite Complex, Cape Smith Belt, New Québec
Niu, Yaoling, B.Sc. Hons. 1986 Nanjing, M.Sc. 1988 Alabama; Hydrothermal alteration of mafic metavolcanic rocks and genesis of Fe-Zn-Cu Sulfide deposits, Stone Hill District, northern Alabama Piedmont; presently Associate Professor, U Houston
Tompa, Bradley S., B.Sc. 1984 Columbus College, M.Sc. 1989 Alabama; Mineralogy, petrology, and geochemistry of tin-bearing pegmatites, Coosa County, Alabama
Representative Publications since 2002
Chapters in Books
Lesher, C.M., and Barnes, S.J., 2009, Komatiite-Associated Ni-Cu-(PGE) Deposits, in C. Li and E.M. Ripley (Editors), Magmatic Ni-Cu-PGE Deposits: Genetic Models and Exploration, Geological Publishing House of China, p. 27-101.
Lesher, C.M., and Barnes, S.J., 2008, Komatiite-Associated Ni-Cu-PGE Deposits, Chapter 10 in N.T. Arndt, C.M. Lesher, and S.J. Barnes, Komatiite, Cambridge University Press, Cambridge, p. 295-327.
Barnes, S.J., and Lesher, C.M., 2008, Physical Volcanology, Chapter 9 in N.T. Arndt, C.M. Lesher, and S.J. Barnes, Komatiite, Cambridge University Press, Cambridge, p. 243-294.
Lesher, C.M., 2007, Ni-Cu-(PGE) Deposits in the Raglan Area, Cape Smith Belt, New Québec, in Goodfellow, W.D. (Editor), Mineral Resources of Canada: A Synthesis of Major Deposit-types, District Metallogeny, the Evolution of Geological Provinces, and Exploration Methods, Geological Survey of Canada and Mineral Deposits Division of the Geological Association of Canada Special Publication, p. 351-386.
Layton-Matthews, D., Lesher, C.M., Burnham, O.M., Liwiang, J., Halden, N., Hulbert, L., and Peck, D., 2007, Magmatic Ni-Cu deposits of the Thompson Nickel Belt, in Goodfellow, W.D. (Editor), Mineral Resources of Canada: A Synthesis of Major Deposit-types, District Metallogeny, the Evolution of Geological Provinces, and Exploration Methods, Geological Survey of Canada and Mineral Deposits Division of the Geological Association of Canada Special Publication, p. 409-432.
Arndt, N.T., Lesher, C.M., and Czamanske, G.K., 2005, Mantle-derived magmas and magmatic Ni-Cu-(PGE) deposits, 100th Anniversary Volume, Society of Economic Geologists, p. 5-23.
Arndt, N.T., and Lesher, C.M., 2005, Komatiites, in Selley, R.C., Cocks, L.R.M., and Plimer, I.R. (Editors), Encyclopedia of Geology, v. 3, Elsevier, New York, p. 260-267.
Lesher, C.M., and Keays, R.R., 2002, Komatiite-Associated Ni-Cu-(PGE) Deposits: Mineralogy, Geochemistry, and Genesis, in L.J. Cabri (Editor), The Geology, Geochemistry, Mineralogy, and Mineral Beneficiation of the Platinum-Group Elements, Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 54, p. 579-617
Zhou, M.-F., Yang, Z.-X., Song, X.-Y., Keays, R.R., and Lesher, C.M., 2002, Magmatic Ni-Cu-(PGE) Sulfide Deposits in China, in L.J. Cabri (Editor), The Geology, Geochemistry, Mineralogy, and Mineral Beneficiation of the Platinum-Group Elements, Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 54, p. 619-636.
Books and/or Special Issues Edited
Lesher, C.M., and Thurston, P.C. (Editors), 2002, Special Issue on Geology and Ore Deposits of the Sudbury District, Economic Geology, v. 97, no. 7.
Journal Articles
Houlé, M.G., and Lesher, C.M., accepted, Thermomechanical erosion and genesis of komatiite-associated Ni-Cu-(PGE) mineralization at the Alexo Mine, Abitibi Greenstone Belt, Ontario. Mineralium Deposita.
Fiorentini, M., Barnes, S.J., Lesher, C.M., Keays, R.R., and Burnham, O.M., accepted, PGE geochemistry of komatiites, komatiitic basalts, and basalts. Economic Geology.
Houlé, M.G., Gibson, H.L., Lesher, C.M., Davis, P.C., Cas, R.A.F., Beresford, S.W., and Arndt, N.T., 2008, Komatiitic basalt sills and multi-generational peperite at Dundonald Beach, Abitibi Greenstone Belt, Ontario: Implications for the stratigraphic architecture of komatiite volcanoes and distribution of subseafloor and seafloor komatiite-associated Ni-Cu-(PGE) deposits. Economic Geology, v. 103, no. 6, p. 1269-1284.
Sproule, R.A., Sutcliffe, R., Tracanelli, H., and Lesher, C.M., 2008, Palaeoproterozoic Ni-Cu-PGE mineralization in the Shakespeare Intrusion: A new style of Nipissing gabbro-hosted mineralization, Insitution of Mining and Metallurgy, v. 116, no. 4, p. 188-200.
Barnes, S.J., Lesher, C.M., and Sproule, R.A., 2008, Geochemistry and petrogenesis of komatiites and komatiitic basalts in the Eastern Goldfields Superterrane, Western Australia and the Abitibi Greenstone Belt, Canada, and implications for the distribution of associated Ni-Cu-PGE deposits, Institution of Mining and Metallurgy, v. 116, no. 4, p. 167-187. 2009 Wardell Armstrong Prize Winner
Herzberg, C., Asimow, P.D., Arndt, N.T., Niu, Y., Lesher, C.M., Fitton, J.G., Cheadle, M.J., and Saunders, A.D., 2007, Temperatures in ambient mantle and plumes: Constraints from basalts, picrites, and komatiites. Geochemistry, Geophysics, and Geosystems (G3), v. 8, Q02006, doi:10.1029/2006GC001390.
Huminicki, M.A.E., Sylvester, P.J., Cabri, L.J., Lesher, C.M., and Tubrett, M., 2005, Quantitative mass balance of platinum-group elements and paragenesis of platinum-group minerals in the Kelly Lake Ni-Cu-PGE deposit, Copper Cliff Offset, Sudbury. Economic Geology, v. 100, no. 8, p. 1631-1646.
Sproule, R.A., Lesher, C.M., Houlé, M.G., Keays, R.R., Ayer, J.A., and Thurston, P.C., 2005, Chalcophile element geochemistry, petrogenesis, and metallogenesis of komatiitic rocks in the Abitibi Greenstone Belt, Canada. Economic Geology, v. 100, no. 6, p. 1169-1190.
Gangopadhyay, A., Sproule, R.A., Walker, R.J., and Lesher, C.M., 2005, Re-Os systematics of komatiites and komatiitic basalts at Dundonald Beach, Ontario, Canada: Evidence for a complex alteration history and implications of a late-Archean chondritic mantle source, Geochimica et Cosmochimica Acta, v. 69, p. 5087-5098.
Zhou, M.-F., Robinson, P.T., Lesher, C.M., Keays, R.R., Zhang, C.-Z., and Malpas, J., 2005, Geochemistry, petrogenesis and metallogenesis of the Panzhihua gabbroic layered intrusion and associated Fe–Ti–V oxide deposits, Sichuan Province, SW China, Journal of Petrology, v. 46, p. 2253-2280.
Arndt, N.T, Lesher, C.M., Houlé, M.G., and Lacaze, Y., 2004, Volcanic setting of a spinifex-textured komatiite sill in Dundonald Township, Ontario. Journal of Petrology, v. 45, p. 2555-2571.
Zhou, M.-F., Lesher, C.M., Yang, Z., Li, J., Sun, M., 2004, Geochemistry and petrogenesis of 270 Ma Ni-Cu-(PGE) sulfide-bearing mafic intrusions in the Huangshan district, Eastern Xinjiang, Northwest China: implications for the tectonic evolution of the Central Asian orogenic belt, Chemical Geology, v. 209, p. 233-257.
Hart, T.R., Gibson, H.L., and Lesher, C.M., 2004, Trace element geochemistry and petrogenesis of felsic volcanic rocks associated with volcanogenic Cu-Zn-Pb massive sulphide Deposits. Economic Geology.
Puchtel, I.S., Humayun, M., Campbell, A., Sproule, R.A., and Lesher, C.M., 2004, Platinum group element geochemistry of komatiites from the Alexo and Pyke Hill areas, Ontario, Canada. Geochimica et Cosmochimica Acta, v. 68, p. 1361-1383.
Williams, D.A., Kadel, S.D., Greeley, R., and Lesher, C.M., 2004, Erosion by flowing lava: Geochemical evidence in the Cave Basalt, Mount St. Helens, Washington, Bulletin of Volcanology, v. 66, no. 2, p. 168-181.
McCormick, K.A., Lesher, C.M., McDonald, A.M., James, R.S., Gibson, H.L., and Fedorowich, J.S., 2002, Geochemical variations in the Footwall Breccia and F and Cl variations in the Sublayer norite in the Strathcona Embayment, Sudbury Structure, Ontario. Economic Geology, v. 97, no. 7, p. 1509–1519.
Zhou, M.-F., Kennedy, A.K., Sun, M., Malpas, J.M., and Lesher, C.M., 2002, Neoproterozoic arc-related mafic intrusions in the northern margin of South China: Implications for accretion of Rodinia. Journal of Geology, v. 110, p. 611-618.
Sproule, R.A., Lesher, C.M., Ayer, J., Thurston, P.C., and Herzberg, C.T, 2002, Spatial and temporal variations in the geochemistry of komatiitic rocks in the Abitibi greenstone belt. Precambrian Research, v. 115, , p. 153-186.
Zhou, M.-F., Malpas, J.M., Song, X.-Y., Robinson, P.T., Sun, M., Kennedy, A.K., Lesher, C.M., and Keays, R.R., 2002, A temporal link between the Emeishan Large Igneous Province (SW China) and the end-Guadalupian mass extinction. Earth and Planetary Science Letters, v. 196, p. 113-122.
Williams, D.A., Kerr, R.C., Lesher, C.M., and Barnes, S.J., 2002, Analytical/numerical modeling of komatiite lava emplacement and thermal erosion at Perseverance, Western Australia. Journal of Volcanology and Geothermal Research, v. 110, p. 27-55.
Scientific Communications / Book Reviews
Layton-Matthews, D., Burnham, O.M., and Lesher, C.M., 2003, Trace element geochemistry of ultramafic intrusions in the Thompson Nickel Belt: Relative roles of contamination and metasomatism, The Gangue (Newsletter of the Mineral Deposits Division, Geological Association of Canada), Issue 76, p. 1, 4-10. [Boldy Award]
Lesher, C.M., and Thurston, P.C., 2002, Preface to Special Issue Devoted to the Mineral Deposits of the Sudbury Basin, Economic Geology, v. 97, p. 1373-1375.
Technical and Open File Reports
Lesher, C.M., Wilton, D.H.C., Lightfoot, P.C., and Evans-Lamswood, D. (editors), 2008, Geology of the Voisey’s Bay Ni-Cu-Co Deposit, Guidebook to Field Trip B1, Geological Association of Canada – Mineralogical Association of Canada –Joint Annual Meeting, Québec 2008, 98 pp.
Ayer, J.A., Thurston, P.C., Bateman, R., Dubé, B., Gibson, H.L., Fowler, A.D., Hamilton, M.A., Hathway, B., Hocker, S.M., Houlé, M.G., Hudak, G., Ispolatov, V.O., Lafrance, B., Lesher, C.M., McDonald, P.J., Péloquin, A.S., Piercey, S.J., Reed, L.E., and Thompson, P.H., 2005, Overview of Results from Greenstone Architecture Project, Discover Abitibi Initiative, Ontario Geological Survey Open File Report 6154, 131 pp. plus 2 Appendices and 1 chart.
Ayer, J.A., Thurston, P.C., Dubé, B., Gibson, H.L., Hudak, G.J., Lafrance, B., Lesher, C.M., Piercey, S.J., Reed, L.E. and Thompson, P.H., 2004. Discover Abitibi Initiative. Greenstone Architecture Project: Overview of results and belt-scale implications, Ontario Geological Survey Open File Report 6145, p.37-1 to 37-15.
Burnham, O.M., Halden, N., Layton-Matthews, D., Lesher, C.M., Liwanag, J., Heaman, L., Hulbert , L., Machado, N., Michalak, D., Pacey, M., Peck, D.C., Potrel, A., Theyer, P., Toope, K., and Zwanzig, H., 2003, Geology, Stratigraphy, Petrogenesis, and Metallogenesis of the Thompson Nickel Belt, Manitoba: Final Report for CAMIRO Project 97E-02, 410 pp. plus 11 Appendices.
Houlé, M.G., Lesher, C.M., and Hall, L.G., 2003, Komatiitic Rocks in the Shaw Dome Area: Volcanology and their Economic Potential (Project Unit 00-011), Summary of Field Work and Other Activities, Ontario Geological Open File Report 6120, p. 38-1 – 38-6.
Ayer, J.A., Thurston, P.C., Dubé, B., Fowler, A.D., Gibson, H.L., Hudak, G., Lafrance, B., Lesher, C.M., Piercey, S.J., Reed, L.E., and Thompson, P.H., 2003, Overview of the Discover Abitibi Greenstone Architecture Project: Subprojects, Goals, and Results, Ontario Geological Survey Open File Report 6120, p. 32-1 – 32-12.
Vaillancourt, C., Sproule, R.A., MacDonald, C.A., and Lesher, C.M., 2003, Investigation of mafic-ultramafic intrusions in Ontario and implications for platinum-group element mineralization: Operation Treasure Hunt, Ontario Geological Survey Open File Report 6102, 334 pp.
Sproule R.A., Lesher, C.M., Ayer, J.A., and Thurston P.C., 2003, Compilation of Geochemical Data from Komatiitic Rocks in the Abitibi Greenstone Belt, Ontario, Miscellaneous Release – Data, MRD 120, CD.
Sproule, R.A., Lesher, C.M., Ayer, J.A., and Thurston, P.C., 2003, Geochemistry and Metallogenesis of Komatiitic Rocks in the Abitibi Greenstone Belt, Ontario, Ontario Geological Open File Report 6073, 119 pp. and 1 disk.
Vaillancourt, C., Sproule, R.A., MacDonald, C.A., and Lesher, C.M., 2003, Investigation of mafic-ultramafic intrusions in Ontario and implications for platinum group element mineralization, Ontario Geological Survey Open File Report 6070, p. 38-1 to 38-10.
Houlé, M.G., Lesher, C.M., Gibson, H.L., and Sproule, R.A., 2002, Recent Advances in Komatiite Volcanology in the Abitibi Greenstone Belt, Ontario (Project Unit 99-021). Summary of Field Work and Other Activities, Ontario Geological Survey Open File Report 6100, p. 7-1 – 7-19.
Extended Abstracts
Lesher, C.M., 2009, Generation, transport, and collection of Fe-Ni-Cu sulfide melts, Proceedings of the Xi’an International Ni-Cu-(Pt) Symposium, Northwestern Geology, v. 42, p. 6-9.
Lesher, C.M., Golightly, J.P., Gregory, S.K., and Stout, A.E., 2009, Dynamic remelting and zone refining of Ni-Cu-PGE mineralization in the Sudbury Igneous Complex, Ontario, Canada, Proceedings of the Xi’an International Ni-Cu-(Pt) Symposium, Northwestern Geology, v. 42, p. 157-160.
Tonnelier, N., Lesher, C.M., and Arndt, N.T., 2009, Petrology and geochemistry of the Jinuchan intrusion and asssociated Ni-Cu-(PGE) mineralization, Proceedings of the Xi’an International Ni-Cu-(Pt) Symposium, Northwestern Geology, v. 42, p. 61-63.
Taranovic, V., Lesher, C.M., and Houlé, M.G., 2008, Physical volcanology and metallogenesis of komatiite-associated Ni-Cu-(PGE) mineralization in the C-Zone, Bannockburn Township, Ontario, SGA Biennial Meeting, South Africa
Barnes, S.J., Lesher, C.M., and Sproule, R.A., 2006, Comparative lithogeochemistry of komatiites from the Norseman-Wiluna and Abitibi Greenstone Belts, and implications for nickel sulfide targeting, Australian Earth Sciences Conference, Melbourne.
Sproule, R.A., Lesher, C.M., Houlé, M.G., Keays, R.R., Ayer, J.A., and Thurston, P.C., 2006, Ni-Cu-PGE metallogenesis of komatiitic rocks in the Abitibi Greenstone Belt, Canada, Australian Earth Sciences Conference, Melbourne.
Lesher, C.M., 2004, Footprints of magmatic Ni-Cu-PGE deposits, SEG Meeting, Perth.
Mungall, J.E., Milkereit, B., Grieve, R.A.F., and Lesher, C.M., 2003, Probing the Sudbury Structure at Depth – an ICDP Proposal, Lunar Planetary Science Conference, Houston, Texas.
Lesher, C.M., and Keays, R.R., 2002, Discrimination between magmatic and hydrothermal Ni-Cu-PGE and PGE mineralization, 9th International Platinum Symposium, Billings, Montana, p. 253-256.
Lévesque, M., and Lesher, C.M., 2002, Invasive Features of Mafic-Ultramafic Rocks at the Zone 3, Zone 2, and Katinniq Ni-Cu-(PGE) Deposits, Raglan Formation, Cape Smith Belt, Nouveau-Québec, 9th International Platinum Symposium, Billings, Montana, p. 257-260.
Houlé, M.G., Lesher, C.M., Davis, P.C., Sproule, R.A., and Montgomery, J.K., 2002, Thermomechanical erosion of footwall andesites by komatiites at the Alexo Ni-Cu-(PGE) deposit, Abitibi Greenstone Belt, Canada, 9th International Platinum Symposium, Billings, Montana, p. 189-192.
Sproule, R.A., Lesher, C.M., Houlé, M.G., Keays, R.R., Ayer, J.A., and Thurston, P.C., 2002, Geochemistry, Petrogenesis, and Metallogenesis of Komatiites in the Abitibi Greenstone Belt, Canada, 9th International Platinum Symposium, Billings, Montana, p. 439-432.
Houlé, M.G., Davis, P.C., Lesher, C.M., Arndt, N.T., 2002, Extrusive and Intrusive Komatiites and Komatiitic Basalts, Peperites, and Ore Genesis at the Dundonald Ni-Cu-(PGE) Deposit, Abitibi Greenstone Belt, Canada, 9th International Platinum Symposium, Billings, Montana, p. 181-184
Vaillancourt, C., Sproule, R.A., MacDonald, C.A., Lesher, C.M., and Hulbert, L.J., 2002, Classification of mafic–ultramafic intrusions in Ontario and implications for platinum-group element mineralization, 9th International Platinum Symposium, Billings, Montana, p. 457-460.
Zhou, M.-F., Song, X.-Y., Keays, R.R., and Lesher, C.M., 2002, Tectonic settings of major Ni-Cu-(PGE) Sulphide Deposits in China, 9th International Platinum Symposium, Billings, Montana, p. 497-500.
Abstracts
Houlé, M.G., and Lesher, C.M., 2010, New Perspectives on Komatiite-Associated Ni-Cu-(PGE) Deposits in the Abitibi Greenstone Belt, Canada, Prospector and Developer’s Association of Canada Annual Meeting, Toronto, Ontario
Houlé, M.G., and Lesher, C.M., 2009, Geological environments for komatiite-associated Ni-Cu-(PGE) deposits in the Abitibi Greenstone Belt, Ontario Exploration and Geoscience Symposium, Sudbury, Ontario
Lesher, C.M., and Kamber, B.S., 2009, High-Mg magmatism through time: Implications for the thermal and compositional structure of the Earth’s mantle, AGU-GAC-MAC meeting, Toronto, Ontario
Lesher, C.M., Golightly, J.P., Gregory, S.K., Huminicki, M.A.E., and Pattison, E.F., 2009, Genesis of Ni-Cu-PGE mineralization associated with the 1.85 Ga Sudbury impact event, 2009 AGU-GAC-MAC meeting, Toronto, Ontario
Mukwakwami, J., Lafrance, B., and Lesher, C.M., 2009, Structural Evolution of the Garson Ni-Cu-PGE Deposit, Sudbury, Ontario, 2009 AGU-GAC-MAC meeting, Toronto, Ontario
Lesher, C.M., Golightly, J.P., Huminicki, M.A., and Gregory, S.K., 2008, Magmatic-hydrothermal fractionation of Fe-Ni-Cu-PGE mineralization in the Sudbury Igneous Complex, Goldschmidt 2008, Vancouver, Abstract #1568
Lesher, C.M., 2008, Tectonic settings of magmatic Ni-Cu-PGE deposits, International Geological Congress, Oslo, Norway, Abstract #1339648
Williams, D.A., Crabtree, D., Lesher, C.M., Kadel, S.D., Greeley, R., and Clynne, M.A., 2008, Further evidence for constraining erosion by lava in the Cave Basalt, Mount St. Helens, Washington, IAVCEI Reykavik
Keays, R.R., Ihlenfeld, C., and Lesher, C.M., 2008, Sulfide-saturation history of major Ni-Cu-(PGE) deposits: Recognition of a two-stage process, SGA Biennial Meeting, South Africa.
Lesher, C.M., and Lightfoot, P.C., 2008, Magmatic Ni-Cu-PGE Deposits Associated with Intermediate Magmas: Insights from Sudbury, GAC-MAC-SEG-SGA Joint Meeting, Québec City.
Bazilevskaya, E., and Lesher, C.M., 2008, Patchy disseminated Ni-Cu-PGE sulfide mineralization in komatiitic peridotites and dunites, GAC-MAC-SEG-SGA Joint Meeting, Québec City.
Sproule, R.A, and Lesher, C.M., 2008, PGE potential of ultramafic mafic intrusions in Ontario, Canada, GAC-MAC-SEG-SGA Joint Meeting, Québec City.
Taranovic, V., Lesher, C.M., Houlé, M.G, and Bedard, J., 2008, Physical volcanology and metallogenesis of komatiite-associated Ni-Cu-(PGE) mineralization in the C-Zone, Bannockburn Township, Ontario, GAC-MAC-SEG-SGA Joint Meeting, Québec City.
Williams, D.A., Crabtree, D., Lesher, C.M., Kadel, S.D., Greeley, R., and Clynne, M.A., 2008, Further evidence for constraining erosion by lava in the Cave Basalt, Mount St. Helens, Washington, IAVCEI Reykavik.
Sproule, R.A., and Lesher, C.M., 2008, PGE Potential of ultramafic-mafic intrusions in Ontario, Geological Society of Australia Annual Meeting, Perth, Western Australia.
Keays, R.R., Ihlenfeld, C., and Lesher, M., 2008, Sulfide-saturation history of major Ni-Cu-(PGE) deposits: Recognition of a two-stage process, SGA Biennial Meeting, South Africa.
Keays, R.R., Ihlenfeld, C., and Lesher, M., 2008, Sulfide-saturation history of major Ni-Cu-(PGE) deposits: Recognition of a two-stage process. SGA Biennial Meeting, South Africa.
Lesher, C.M., 2007, Geochemistry of magmatic Ni-Cu-PGE ores, GSA Annual Meeting, Denver, Abstract with Program, v. 39, no. 6.
Houlé, M.G., Pilote, P., and Lesher, C.M., 2006, Potential and distribution of komatiite-associated Ni-Cu-(PGE) deposits in the Abitibi Greenstone Belt, Superior Province, Québec Exploration, Québec City.
Houlé, M.G., Gibson, H.L., and Lesher, C.M., 2006, Potential for komatiite-associated Ni-Cu-(PGE) deposits in the western Abitibi Greenstone Belt. Northeastern Ontario Mines and Minerals Symposium, Kirkland Lake.
Beresford, S.W., Cas, R.A.F., Lesher, C.M., and Houlé, M.G., 2006, Devolatisation of sulphidic sediments and genesis of Ni-Cu-PGE mineralization during emplacement of shallow komatiitic sills at Dundonald Beach, Abitibi Greenstone Belt, Ontario. Australian Earth Sciences Convention, Melbourne.
Houlé, M.G., Gibson, H.L., Lesher, C.M., Davis, P.C., Cas, R.A.F., Beresford, S.W., and Arndt, N.T., 2006, Komatiitic basalt sills and multi-generational peperite at Dundonald Beach, Abitibi Greenstone Belt, Ontario: Implications for the stratigraphic architecture of komatiite volcanoes and distribution of subseafloor and seafloor komatiite-associated Ni-Cu-(PGE) Deposits, GAC-MAC Annual Meeting, Montréal, QC
Houlé, M.G., Lesher, C.M., Sproule, R.A., and Gamble, A.D.P., 2006, Physical volcanology of komatiitic lava flows at the Potter Mine, Munro Township, Abitibi greenstone belt, Ontario, Canada, GAC-MAC Annual Meeting, Montréal, QC
Arndt, N.T., Lesher, C.M., and Czamanske, G.K., 2005, Mantle-derived magmas and Ni-Cu-(PGE) deposits, GSA Annual Meeting, Salt Lake City, Abstracts with Programs, v. 37, no. 7.
Lesher, C.M., 2005, High-Mg magmatism through time: Implications for mantle plumes, Chapman Conference – Great Plume Debate, Fort William, Scotland.
Sproule, R.A., Sutcliffe, R., Tracanelli, H., and Lesher, C.M., 2005, Nipissing-aged Ni-Cu-PGE Mineralization in the Shakespeare Intrusion, 10th International Platinum Symposium, Oulu, Finland.
Layton-Matthews, D., Lesher, C.M., and Burnham, O.M., 2004, Assessing the geochemical attributes of contamination and metasomatic processes in exploration for magmatic Ni–Cu–(PGE) deposits: example from the Thompson Nickel Belt, Manitoba, Canada, SEG Meeting, Perth.
Lesher, C.M., Burnham, O.M., Liwanag, J., Hulbert, L., and Keays R.R., 2004, Geochemistry and genesis of Ni-Cu-(PGE) mineralization in the Thompson Nickel Belt, Manitoba. Session G14.08, 32nd International Geological Congress, Florence.
Arndt, N.T., Lesher, C.M., and Czamanske G.K., 2004, PGE contents of mafic-ultramafic magmas and the formation of Cu-Ni-(PGE) sulfide deposits. Session G14.08, 32nd International Geological Congress, Florence.
Arndt, N.T., Houlé, M.G., Lesher, C.M., and Lacaze, Y., 2004, Volcanic Setting of a Spinifex-Textured Komatiite Sill in Dundonald Township, Ontario, EUG.
Gangopadhyay, A., Sproule, R.A., Walker, R.J., and Lesher, C.M., 2004, Re-Os isotope geochemistry of Al-undepleted komatiites in the Kidd-Munro Assemblage: Dundonald Beach, Abitibi Greenstone Belt, Canada, Eos, v.85, no. 17, V51B-06.
Houlé, M.G., Lesher, C.M., and Gibson, H.L., 2004, The significance of spinifex textures in constraining the mode of emplacement of Precambrian komatiitic and ferropicritic rocks: the Boston Creek sill, GAC-MAC, St. Catherine’s, ON.
Gammell, R.R., Lesher, C.M., McDonald, A.M., Farrow, C.E.G., and Weresczynsky, M., 2004, As-Rich Ni-Cu-PGE Mineralization in the Garson Mine, Sudbury, Ontario, GAC-MAC, St. Catherine’s, ON.
Gregory, S., Lesher, C.M., and Gauld, C., 2004, Geology, mineralogy, and geochemistry of transitional contact/footwall mineralization in the McCreedy East Ni-Cu-PGE deposit, Sudbury Igneous Complex, GAC-MAC, St. Catherine’s, ON.
Sproule, R.A., Lesher, C.M., Ayer, J.A., Thurston, P.C., and Arndt, N.T., 2004, Stratigraphic variations in Nd isotopic values in komatiites in the Abitibi greenstone belt, Canada, GAC-MAC, St. Catherine’s, ON.
Sproule, R.A., Trancanelli, H., Sutcliffe, R., and Lesher, C.M., 2004, Nipissing-age contact style Ni-Cu-PGE Mineralization in the Shakespeare Intrusion, GAC-MAC, St. Catherine’s, ON.
Houlé, M.G., Lesher, C.M., and Sproule, R.A., 2004, Potential for komatiitic Ni-Cu-(PGE) sulphide mineralization in the Abitibi greenstone belt. Northeastern Minerals Symposium, Sudbury.
Cas, R.A.F., Houlé, M.G., Beresford, S., Lesher, C.M., Fowler, A.D., Trofimovs, J., Rosengren, N., Thurston, P.C., and Arndt, N.T., 2004, Are spinifex-cumulate textured komatiitic rock units necessarily lavas? Archean examples from Dundonald beach, Abitibi Greenstone Belt, Canada, 17th Annual Australia Geological Conference, Hobart, p. 60.
Gangopadhyay, A., Sproule, R.A., Walker, R.J., and Lesher, C.M., 2003, Re-Os systematics of komatiites and komatiitic basalts at Dundonald Beach, Ontario, Canada: Evidence for a complex alteration history and implications of a late-Archean chondritic mantle source, Eos, v. 84, no. 46, V42C-0374.
Lesher, C.M., Burnham, O.M., Halden, N.M., Heaman, L.M., Hulbert, L., Layton-Matthews, D., Liwanag, J., Machado, N., Michalak, D., Pacey, M., Peck, D.C., Potrel, A., Theyer, P., Toope, K., and Zwanzig, H., 2003, Geology, stratigraphy, petrogenesis, and metallogenesis of the Thompson Nickel Belt: Results of CAMIRO Project 97E-02, Manitoba Mining and Minerals Conference, Winnipeg.
Burnham, O.M., Lesher, C.M., Layton-Matthews, D., Peck, D.C., Zwanzig, H., and Theyer, P., 2003. The petrogenesis and lithogeochemistry of mafic and ultramafic rocks of the Thompson Nickel Belt, Manitoba, Manitoba Mining and Minerals Conference, Winnipeg.
Peck, D.C., Lesher, C.M., and Halden, N.M., 2003, CAMIRO Project 97E-02, Thompson Nickel Belt Project: Implications for Exploration in The Superior Boundary Zone, Manitoba, Manitoba Mining and Minerals Conference, Winnipeg.
Arndt, N.T., Lesher, C.M., and Czamanske, G.K., 2003, The links between magmas, crust contamination, and magmatic ore deposits. Geological Society Fermor Flagship Meeting, Cardiff University, UK.
Cas, R.A.F., Houlé, M.G., Beresford, S., Lesher, C.M., Fowler, A.D., Arndt, N.T., Trofimovs, J., Rosengren, N., and Thurston, P.C., 2003, Are spinifex-cumulate textured komatiitic rock units necessarily lavas? Archean examples from Dundonald beach, Abitibi Greenstone Belt, Canada, IUGG Meeting, Sapporo, Japan.
Lesher, C.M., 2003, Metallogenesis of magmatic Ni-Cu-(PGE) deposits, CIM Annual Meeting, Montréal.
Lévesque, M., Lesher, C.M., and Charland, A., 2003, Volcanic or Subvolcanic Emplacement of the Raglan Formation in the Zone 3, Zone 2, and Katinniq Ni-Cu-(PGE) Deposits, Cape Smith Belt, Nouveau-Québec?, CIM Annual Meeting, Montréal.
Houlé, M.G., Lesher, C.M., and Davis, P.C., 2003, Alexo and Sothman Ni-Cu-(PGE) deposits in the Abitibi greenstone belt, Canada: Thermomechanical erosion and multiple mineralization events, CIM Annual Meeting, Montréal.
Sproule, R.A., Lesher, C.M., Houlé, M.G., Keays, R.R., Ayer, J.A., and Thurston, P.C., 2003, Chalcophile element geochemistry of komatiites in the Abitibi greenstone belt and implications for their source region and metallogenesis, CIM Annual Meeting, Montréal.
Vaillancourt, C., Sproule, R.A., MacDonald, C.A., and Lesher, C.M., 2003, Classification of Mafic–Ultramafic Intrusions in Ontario and Implications for Platinum-Group Element Mineralization, GAC-MAC Annual Meeting, Vancouver.
Sproule, R.A., Lesher, C.M., Ayer, J.A., Thurston, P.C., and Herzberg, C.T., 2003, Spatial and temporal variations in the geochemistry of komatiites and komatiitic basalts in the Abitibi Greenstone Belt, GAC-MAC Annual Meeting, Vancouver.
Sproule, R.A., Houlé, M.G., Lesher, C.M., Keays, R.R., Ayer, J.A., and Thurston, P.C., 2003, Chalcophile element geochemistry of komatiitic rocks in the Abitibi Greenstone Belt, Canada: Implications for their source region and metallogenesis, GAC-MAC Annual Meeting, Vancouver.
Lesher, C.M., 2003, Geochemical, mineralogical, and volcanological constraints on the petrogenesis of komatiites, Geophysical Research Abstracts, v. 5, no. 02562, EGS-AGU-EUG Meeting, Nice [EAE03-A-02562].
Vaillancourt, C., Sproule, R.A., MacDonald, C.A., and Lesher, C.M., 2002, Classification of mafic–ultramafic intrusions in Ontario and implications for platinum-group element mineralization, Ontario Prospector’s Association Annual Meeting, Toronto, ON.
Lesher, C.M., 2002, High-temperature ultrabasic eruptions on Earth: Volatile contents, emplacement mechanisms, and thermomechanical erosion mechanisms of Archean komatiites, Pardee Symposium, Geological Society of America Annual Meeting, Abstract Volume, paper 192-2, p. 440.
Houlé, M.G., Gibson, H.L., Lesher, C.M., Davis, P.C., and Arndt, N.T., 2002. The role of subvolcanic sills and peperites in facilitating the eruption of Archean komatiitic flows at the Dundonald Beach Ni-Cu-(PGE) deposit, northern Ontario, Geological Society of America Annual Meeting, Abstract Volume, paper 224-14, p. 513.
Lesher, C.M., Houlé, M.G., Lévesque, M., Gibson, H.L., Williams, D.A., and Kerr, R.C., 2002, Geochemical, mineralogical, textural, and fluid dynamic constraints on endogenous growth in differentiated komatiite flows, 12th Annual V.M. Goldschmidt Conference, Davos, Switzerland, in Geochimica et Cosmochimica Acta, v. 66, no. 15A, p. 449.
Puchtel, I.S., Humayun, M., Campbell, A.J., Sproule, R.A., and Lesher, C.M., 2002, PGEs in Abitibi komatiites, 12th Annual V.M. Goldschmidt Conference, Davos, Switzerland, in Geochimica et Cosmochimica Acta, v. 66, no. 15A, p. 616.
Lévesque, M., Lesher, C.M., Burnham, O.M., and Vicker, P., 2002, Chemistry of relict igneous olivines in komatiitic peridotites of the Raglan Formation, Cape Smith Belt, Nouveau-Québec, GAC-MAC Annual Meeting, Abstract Volume, Saskatoon, p. 68.
Layton-Matthews, D.M., Lesher, C.M., and Burnham, O.M., 2002, Trace element geochemistry of ultramafic bodies in the Thompson Nickel Belt: Relative roles of contamination and metasomatism, GAC-MAC Annual Meeting, Abstract Volume, Saskatoon, p. 66. |